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Finding the Fourth Proportional to 7,752.98, 11,629.74 and 3,073.88

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Solution

The fourth proportional to 7,752.98, 11,629.74 and 3,073.88 is: 4,610.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,752.98 : 11,629.74 = 3,073.88 : x
  2. Step 2: Convert to fraction form
    7,752.98/11,629.74 = 3,073.88/x
  3. Step 3: Cross multiply
    7,752.98x = 11,629.74 × 3,073.88
  4. Step 4: Simplify right side
    7,752.98x = 35,748,425.19
  5. Step 5: Solve for x
    x = 35,748,425.19/7,752.98
  6. Step 6: Final answer
    x = 4,610.93

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.